Segregated into two groups, 'Red' and 'Blue'. Raided by the Unity in 2155, its inhabitants were taken prisoner, and subsequently turned into super mutants. Its residents emerged in 2097, eventually forming three raider groups: the Khans, Jackals, and Vipers, and Shady Sands, which would become the New California Republic. Intended to stay closed for 50 years and include people of radically diverse ideologies. įallout: Brotherhood of Steel (mentioned-only) The Vault Dweller emerged from here in 2161, in search of a replacement water chip for the Vault. Intended to stay closed for 200 years as a study of prolonged isolation, or until the Vault's residents were needed by the Enclave.

This resulted in Necropolis and its large population of ghouls.

In order to study the effects of radiation on the selected population, the Vault door was designed not to close properly. In reality, should the dwellers refuse, the Vault would open. The Vault dwellers were informed that a single person must sacrifice their life each year for the Vault, otherwise the master computer would shut down all life support. ĭesigned to test obedience to authority and the ethics of a large group of people subjected to extraordinary circumstances. Upon opening early after receiving the all-clear signal in 2079, the residents established Vault City with the help of their GECK. Ī control Vault that was intended to open and recolonize the surface after 10 years. A couple of weeks after opening the Vault, the residents were massacred by a group of raiders known as the Fiends. Sometime in the 23rd century, an unexpected water leak forced the Vault dwellers to open in hopes of trading with the outside. Ī control Vault that stayed closed due to the wishes of its inhabitants. In 2162, it was destroyed in a nuclear explosion. In 2155, it was taken over as the Unity's headquarters by the Master.

Although fully functional, it was not part of any experiment and thus its inhabitants survived the Great War unscathed. Constructed as a demonstration/proof of concept Vault for the United States government.

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